Thermophile beech forests often rich in box Buxus sempervirens and lavender of the warm, calcareous slopes of the southwestern pre-Alps, Haute Provence, Maritime Alps, of the Causses, the eastern Pyrenees, the Aragonese central Pyrenees.
Isolated, species-rich beech forest of the Sainte-Baume range of Provence, characterized by the strong representation of evergreen undergrowth, the development of the vegetation strata and the multiple waves of flowering. Among accompanying species are Taxus baccata, Ilex aquifolium, Acer opulifolium, Viburnum lantana, Coronilla emerus, Ruscus aculeatus, Mycelis muralis, Lilium martagon, Neottia nidus-avis, Helleborus foetidus, Digitalis lutea.